/*
 * Copyright 2013-2019 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.ww.microrpc.loadbalancer;

import com.netflix.loadbalancer.ILoadBalancer;
import com.ww.microrpc.client.Client;
import com.ww.microrpc.netty.NettyClientConfig;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.cloud.netflix.ribbon.SpringClientFactory;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

/**
 * Autoconfiguration to be activated if MicroRpc is in use and needs to be use Ribbon as a
 * load balancer.
 *
 * @author ww
 */

@ConditionalOnClass({ ILoadBalancer.class })
@Configuration
public class RpcRibbonClientAutoConfiguration {

	@Bean
	@ConditionalOnMissingBean
	public CachingSpringLoadBalancerFactory getCachingSpringLoadBalancerFactory(
			SpringClientFactory factory, NettyClientConfig nettyClientConfig) {
		return new CachingSpringLoadBalancerFactory(factory, nettyClientConfig);
	}

	@Bean
//	@ConditionalOnMissingBean(Client.class)
	public Client microRpcClient(CachingSpringLoadBalancerFactory cachingFactory,
								 SpringClientFactory clientFactory,
								 NettyClientConfig nettyClientConfig) {
		return new LoadBalancerClient(cachingFactory, clientFactory, nettyClientConfig);
	}

//	@Bean
//	@Primary
//	@ConditionalOnMissingBean
//	public CachingSpringLoadBalancerFactory retryabeCachingLBClientFactory(
//			SpringClientFactory factory, LoadBalancedRetryFactory retryFactory) {
//		return new CachingSpringLoadBalancerFactory(factory, retryFactory);
//	}


}
